PN 20

HSP HDPE 100 PIPES BUTT WELDING PARAMETERS PN 20
Nominal Diameter (DN) mm Wall Thickness (s) mm Height of Bulge (11) mm Non-Pressure Heating Time (t2) sec Changeover Time (t3) sec Pressure Built up Time (t4) sec Cooling Time (t5) sec Total Welding Time (t) min
25 3.0 0.5 30 5 5 6.0 6.7
32 3.6 0.5 36 5 5 6.0 6.8
40 4.5 1.0 45 5 5 6.0 6.9
50 5.6 1.0 56 5 5 7.8 8.9
63 7.1 1.5 71 6 6 10.1 11.5
75 8.4 1.5 84 7 7 11.7 13.3
90 10.1 1.5 101 7 7 13.7 15.6
110 12.3 2.0 123 8 8 16.3 18.7
125 14.0 2.0 140 9 9 18.3 20.9
140 15.7 2.0 157 9 10 20.2 23.2
160 17.9 2.0 179 10 11 22.7 26.1
180 20.1 2.5 201 10 11 25.3 29.0
200 22.1 2.5 224 11 12 27.9 32.0
225 25.1 2.5 252 12 14 31.1 35.7
250 27.9 3.0 279 13 15 34.3 39.4